Home / 10,867,312.35-16,301,526.21-2,780,357.70

Finding the Fourth Proportional to 10,867,312.35, 16,301,526.21 and 2,780,357.70

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Solution

The fourth proportional to 10,867,312.35, 16,301,526.21 and 2,780,357.70 is: 4,170,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,312.35 : 16,301,526.21 = 2,780,357.70 : x
  2. Step 2: Convert to fraction form
    10,867,312.35/16,301,526.21 = 2,780,357.70/x
  3. Step 3: Cross multiply
    10,867,312.35x = 16,301,526.21 × 2,780,357.70
  4. Step 4: Simplify right side
    10,867,312.35x = 45,324,073,980,856.04
  5. Step 5: Solve for x
    x = 45,324,073,980,856.04/10,867,312.35
  6. Step 6: Final answer
    x = 4,170,679.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.